JPH06501820A - Electrical equipment, especially switching and control equipment for automobiles - Google Patents

Electrical equipment, especially switching and control equipment for automobiles

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Publication number
JPH06501820A
JPH06501820A JP5504814A JP50481493A JPH06501820A JP H06501820 A JPH06501820 A JP H06501820A JP 5504814 A JP5504814 A JP 5504814A JP 50481493 A JP50481493 A JP 50481493A JP H06501820 A JPH06501820 A JP H06501820A
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Japan
Prior art keywords
electrical equipment
covering
wiring board
casing
printed wiring
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JP5504814A
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Japanese (ja)
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JP3253617B2 (en
Inventor
クンツ，　ハラルト
ラウ，　マルティン
カル，　ディーター
Original Assignee
ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S174/00—Electricity: conductors and insulators
    • Y10S174/34—PCB in box or housing

Abstract

(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 電気機器、特に自動車用の切換え・制御機器［技術分野］ 本発明は、請求の範囲の請求項１に上位概念として記載した形式の電気機器に関 するものである。[Detailed description of the invention] Electrical equipment, especially switching and control equipment for automobiles [Technical field] The present invention relates to electrical equipment of the type defined in generic form in claim 1 of the claims. It is something to do.

［背景技術］ 前記形式の公知の電気機器は、電子回路を上面に装備したプリント配線板又はプ リント配線薄膜を有している。この装備されたプリント配線板は、電子回路及び ／又は電子構成素子を機械的損傷及び外界の種々異なった影響から防護するため に、ケーシング内に収容されている。このような切換え・制御機器を自動車内に 組込む場合には特に、ケーシングの防護機能は組込み部位に関連しており、かつ 、例えば防湿機能、防塵機能及び機械的損傷に対する防護機能を含んでいる。[Background technology] Known electrical equipment of the above type consists of printed circuit boards or printed circuit boards equipped with electronic circuits on the top side. It has a lint wiring thin film. This equipped printed wiring board can be used for electronic circuits and /or to protect electronic components from mechanical damage and different influences of the outside world; is housed within the casing. Such switching and control equipment is installed inside the car. Particularly in the case of installation, the protective function of the casing is relevant to the installation site and , including, for example, a moisture-proof function, a dust-proof function and a protection function against mechanical damage.

更にまた該ケーシングは時として遮蔽機能又は電磁的妥協の改善のためにも役立 つ。Furthermore, the casing sometimes also serves for a shielding function or for improving electromagnetic compromise. One.

ｔｌＬｆ回路及び電子構成素子を特にダストから、就中、湿分から防護するため に、コストの嵩むシール手段が必要である。このシール手段のために大抵はケー シング構成部分には、凹み又は溝が設けられ、該凹み又は溝内にパツキン又はシ ールリングが嵌装される。それのみならず、この形式の切換え機器又は制御ＬＩ ＩｌｌｉＩ器では、温度変化に起因した圧力変動を補償するために、製作費の嵩 む圧力補償手段が設けられねばならない。しかもこの圧力補償時にはケーシング 内への湿分の移送を防止することが必要である。これによってこの種の切換え・ 制御機器は構造が複雑になりかつコストが高（なる。To protect tlLf circuits and electronic components in particular from dust and above all from moisture. In addition, costly sealing means are required. For this sealing means, most cases The shing component is provided with a recess or groove, and a packing or seal is installed in the recess or groove. The ring is fitted. Not only this, but also this type of switching equipment or control LI In the IlliI device, the manufacturing cost is increased to compensate for pressure fluctuations caused by temperature changes. Pressure compensation means must be provided. Moreover, during this pressure compensation, the casing It is necessary to prevent moisture transfer into the interior. This allows this type of switching. Control equipment has a complex structure and high cost.

［発明の構成コ 請求の範囲の請求項１に記載した構成手段を有する本発明の電気機器は、従来技 術に対比して、簡単かつ低廉な手段でもってプリント配線板又はプリント配線薄 膜及び回路構成素子の、ダストに対する、殊に湿分に対する確実な防護を保証す るという利点を有している。また本発明の有利な実施態様によれば、例えば温度 変動時の圧力補償を、やはり簡単かっ低廉な手段で達成することが可能である。[Components of the invention The electrical equipment of the present invention having the configuration means set forth in claim 1 is different from the conventional technology. Printed wiring boards or thin printed wiring can be manufactured using simple and inexpensive means. Guarantees reliable protection of membranes and circuit components against dust, in particular against moisture. It has the advantage of being According to an advantageous embodiment of the invention, the temperature Pressure compensation during fluctuations can also be achieved by simple and inexpensive means.

その他の利点及び有利な実施態様は、請求項２以降に記載した手段と以下の説明 とから明らかである。Further advantages and advantageous embodiments are provided by the measures specified in claim 2 and the following description. It is clear from this.

［図面の簡単な説明コ 図１は本発明による電気機器の１実施例の概略的な縦断面図である。[Brief explanation of the drawing] FIG. 1 is a schematic longitudinal sectional view of one embodiment of an electrical device according to the invention.

［発明を実施するための最良の形態］ 電気的な切換え・制御機器はプリント配線板１０を有し、該プリント配線板の上 面１１には、電子回路が設けられているが、図面では該電子回路の電子構成素子 １２が若干図示されているにすぎない。[Best mode for carrying out the invention] The electrical switching/control device has a printed wiring board 10, and The surface 11 is provided with an electronic circuit, the electronic components of which are shown in the drawing. 12 are only slightly illustrated.

またプリント配線板１０の上面１１には、しかも該プリント配線板の前部端面側 １３で、それ自体周知のコネクタストリップ１４が載設されており、該コネクタ ストリップの接続片１５はプリント配線板１０又は電子回路と接続されている。Further, on the upper surface 11 of the printed wiring board 10, and on the front end surface side of the printed wiring board 10, At 13, a connector strip 14, known per se, is mounted, which connector The connecting piece 15 of the strip is connected to a printed wiring board 10 or an electronic circuit.

プリント配線板１０の上面１１は、被覆体のフード状半殻体１６によってカバー され、該半殻体は、ガス透過性のプラスチックから成る成形部分として製作され ている。半殻体１６はその前部側壁１７内には、前記コネクタストリップ１４を 嵌込む切除部１８を有している。前部側壁１７の残部区域及び、その他の側壁１ ９は、プリント配線板１０上に載る連続した縁部２０を有し、該縁部はプリント 配線板１０の外縁部には達していない。半殻体１６の寸法は、電子回路、つまり 該電子回路の導電路と電子構成素子１２が半殻体１６によってカバーされるよう に選定されている。半殻体１６は例えば接着又は溶接によってプリント配線板ｌ Ｏ及びコネクタストリップ１４と固定的に接合されている。The upper surface 11 of the printed wiring board 10 is covered by a hood-shaped half shell 16 of the covering body. and the half-shell is manufactured as a molded part of gas-permeable plastic. ing. The half shell 16 has the connector strip 14 in its front side wall 17. It has a cutout 18 that fits into it. Remaining area of front side wall 17 and other side walls 1 9 has a continuous edge 20 that rests on the printed wiring board 10, the edge being printed It does not reach the outer edge of the wiring board 10. The dimensions of the half-shell 16 are determined by the electronic circuit, i.e. The conductive paths and electronic components 12 of the electronic circuit are covered by the half-shell 16. has been selected. The half shell 16 is attached to a printed wiring board l by gluing or welding, for example. 0 and the connector strip 14.

プリント配線板１０の下面２２は、被覆体の、やはりフード状半殻体２３によっ てカバーされており、該半殻体の側壁２４は全周にわたって延在する縁部２５を 有し、該縁部はプリント配線板１０に接し、やはり該プリント配線板と固定的に 接合されている。下部の半殻体２３の寸法は、該半殻体がプリント配線板１０の 外縁部にまでは達していないが、電子回路又は電子構成素子１２の導電路と鑞接 部とをカバーするように選定されている。The lower surface 22 of the printed wiring board 10 is covered by a hood-like half-shell 23 of the covering. The side wall 24 of the half-shell has an edge 25 extending around the entire circumference. The edge is in contact with the printed wiring board 10 and is also fixedly connected to the printed wiring board 10. It is joined. The dimensions of the lower half-shell 23 are as follows: Although the outer edges are not reached, the conductive paths and solder connections of the electronic circuit or electronic component 12 It has been selected to cover the following areas.

上部半殻体１６はタブ状のケーシング！２７によって包囲され、該ケーシング蓋 はその前部側壁２８に、コネクタストリップ１４を囲む切除部２９を有している 。ケーシング蓋のその他の側壁３０は連続した縁部３１を有し、該縁部は、プリ ント配線板ＩＯの上面１１の外周区域に載設されている。The upper half shell 16 is a tab-shaped casing! 27, the casing lid has a cutout 29 in its front side wall 28 which surrounds the connector strip 14. . The other side wall 30 of the casing lid has a continuous edge 31, which edge It is mounted on the outer peripheral area of the upper surface 11 of the component wiring board IO.

下部半殻体２３は、やはりタブ状のケーシング底部３２によって包囲され、該ケ ーシング底部の前部側壁３３は、コネクタストリップ１４の下面３４に載ってい る。ケーシング底部のその他の側壁３５は連続した縁部３６を有し、該縁部は、 プリント配線板１０の下面２２の外周区域に接している。The lower half-shell 23 is surrounded by a casing bottom 32, also tab-shaped, which The front sidewall 33 of the bottom of the housing rests on the underside 34 of the connector strip 14. Ru. The other side wall 35 of the casing bottom has a continuous edge 36, which edge It is in contact with the outer peripheral area of the lower surface 22 of the printed wiring board 10.

ケーシング蓋２７の縁部３１とケーシング底部３２の縁部３６は複数の互いに整 合した孔３７を有し、鎖孔はプリント配線板１０も貫通しており、かつ答礼には 、ケーシング！２７とプリント配線板ｌＯとケーシング底部３２とを互いに結合 するリベット３８が挿入されている。The edge 31 of the casing lid 27 and the edge 36 of the casing bottom 32 have a plurality of mutually aligned edges. It has a matching hole 37, the chain hole also passes through the printed wiring board 10, and there is a hole 37 for the reply. ,casing! 27, the printed wiring board lO, and the casing bottom 32 are connected to each other. A rivet 38 is inserted.

上部半殻体１６及びプリント配線板１０並びにコネクタストリップ１４によって 囲まれた室４０は、プリント配線板１０に穿設された１つの孔４１を介して室４ ２と連通されている。この室４２は、下部半殻体２３とプリント配線板ｌＯとに よって形成される。By the upper half shell 16 and the printed wiring board 10 and the connector strip 14 The enclosed chamber 40 is connected to the chamber 4 through one hole 41 drilled in the printed wiring board 10. It is connected to 2. This chamber 42 is located between the lower half shell 23 and the printed wiring board lO. Therefore, it is formed.

上部半殻体１６と下部半殻体２３とは、水不透過性で、しかもガス透過性のプラ スチックから成るプラスチック成形部分として製作されておりかつ濃密にプリン ト配線板と接合されている。このために適したプラスチックは例えばポリアミド 、ポリエステル、ポリプロピレンである。半殻体１６，２３は濃密にプリント配 線板と接合されているので、室４２，４０、ひいては電子回路と電子構成素子１ ２は防湿されている。ケーシング＠２７及びケーシング底部３２は機械的な損傷 を防止するために役立つと共に、プリント配線板１０及び電子構成素子１２並び に両生殻体１６．２３を防護する。しかしケーシング底部３２とケーシング蓋２ ７はシール機能を有する必要はないので、コスト高になるシール溝及びシールリ ングは省（ことができる。The upper half-shell 16 and the lower half-shell 23 are made of water-impermeable but gas-permeable plastic. It is manufactured as a plastic molded part made of stick and is densely printed. It is connected to the wiring board. Suitable plastics for this purpose are e.g. polyamide. , polyester, and polypropylene. The half-shell bodies 16 and 23 are densely printed. Since it is connected to the wiring board, the chambers 42, 40 and thus the electronic circuit and the electronic component 1 2 is moisture proof. Mechanical damage to casing @27 and casing bottom 32 printed wiring board 10 and electronic components 12; Protects the amphibian shell body 16.23. However, the casing bottom 32 and the casing lid 2 7 does not need to have a sealing function, so there are no seal grooves and seal rims that increase the cost. It is possible to save money.

両生殻体１６．２３のためにガス透過性プラスチックを選択することによって、 室４０．４２と周辺との間の圧力バランスが保証されている。従って温度変化に 伴う圧力変動は、室４０．４２の内部への湿分移送を生ぜしめることなしに、補 償することができる。孔４１を介して両室４０，４２は連通されているので、両 室内には等圧が支配している。By choosing a gas-permeable plastic for the amphibian shell body 16.23, A pressure balance between the chamber 40,42 and the surroundings is guaranteed. Therefore, due to temperature changes The associated pressure fluctuations can be compensated for without causing any moisture transfer into the interior of the chamber 40.42. can be compensated. Both chambers 40 and 42 are in communication with each other through the hole 41. Equal pressure prevails in the room.

しかし又、圧力バランスを保証するために、半殻体１６又は２３の一部分だけを ガス透過性に構成することも可能である。このためには例えば両生殻体は水・ガ ス不透過性のプラスチックから製作されており、かつ両生殻体の一方は１つの窓 状の開口を有し、該開口は、ダイヤフラム状のガス透過性プラスチックによって 被覆されている。このようなプラスチックダイヤフラムは例えばＰＴＦＥから製 作することができる。その場合該ダイヤフラムは、ケーシング（ケーシング蓋２ ７及びケーシング底部３２）によって機械的にかつ噴射水または飛沫水に対して 防護され、かつ、従来慣用の手段とは異なって付加的な部材を全く必要としない 。However, it is also possible to use only a portion of the half-shell 16 or 23 to ensure pressure balance. It is also possible to configure it to be gas permeable. For this purpose, for example, amphibian shells are The amphibious shell is made from a non-permeable plastic and has a single window on one side of the amphibious shell. a diaphragm-shaped gas-permeable plastic opening; Covered. Such plastic diaphragms are made from PTFE, for example. can be made. In that case, the diaphragm is connected to the casing (casing lid 2 7 and the casing bottom 32) mechanically and against jet or splash water. protected and does not require any additional components compared to conventional methods .

例えば遮蔽機能を果たすために、ケーシングＭ２７とケーシング底部３２とを金 属から製造する場合には、半殻体１６及び２３は絶縁機能も果たすことができる 。For example, in order to perform a shielding function, the casing M27 and the casing bottom 32 are made of gold. When manufactured from genus, the half-shells 16 and 23 can also perform an insulating function. .

この場合この絶縁機能のために、例えば縁部２０，２５は、ケーシング蓋２７の 縁部３１及びケーシング底部３２の縁部３６とプリント配線板１０との間の区域 を被覆し、これによって絶縁するように構成することができる。In this case, for this insulating function, for example the edges 20, 25 of the casing lid 27 The area between the edge 31 and the edge 36 of the casing bottom 32 and the printed wiring board 10 can be configured to be coated and thereby insulated.

ケーシングｆｉ２７とケーシング底部３２とを金属から製作しな（でも、両生殻 体１６．２３は遮蔽機能を果たすことができる。このためには両生殻体は、プリ ント配線板と導電接続された金属被覆層又は導電層を部分的又は全面的に有する ことができる。また両生殻体１６，２３を全体的に、ガス透過性で湿分不透過性 の導電性材料から製作することも可能である。The casing fi 27 and the casing bottom 32 must be made of metal (but the amphibious shell The body 16.23 can perform a shielding function. For this purpose, the amphibian shell body is Partially or entirely has a metal coating layer or conductive layer that is conductively connected to the component wiring board. be able to. In addition, the entire amphibious shell bodies 16 and 23 are gas permeable and moisture impermeable. It is also possible to fabricate it from a conductive material.

機能を、機械的負荷に対する防護機能と防湿機能と国際調査報告 フロントページの続き （７２）発明者　カル、　ディーター ドイツ連邦共和国　Ｄ−７５３３ティーフェンブロン　メーリケシュトラーセ　 １０Function, protection function against mechanical load and moisture proof function and international investigation report Continuation of front page (72) Inventor Cal, Dieter Federal Republic of Germany D-7533 Tiefenbronn Mörikestrasse 10

Claims (12)

【特許請求の範囲】[Claims] １．ケーシング（２７，３２）内に、電子回路を支持した少なくとも１つのプリ ント配線板（１０）が配置されている形式の、電気機器、特に自動車用の切換え ・制御機器において、電子回路が、ケーシングの内部に配置された付加的な少な くとも１つの被覆体（１６，２３）によって防湿されていることを特徴とする、 電気機器、特に自動車用の切換え・制御機器。1. Within the casing (27, 32) there is at least one circuit supporting an electronic circuit. Switching for electrical equipment, in particular for automobiles, of the type in which the component wiring board (10) is arranged. ・In control equipment, the electronic circuit is located inside the casing. characterized in that it is moisture-proofed by at least one covering (16, 23), Electrical equipment, especially switching and control equipment for automobiles. ２．プリント配線板（１０）の上面（１１）と下面（２２）とが、夫々１つの付 加的な被覆体（１６，２３）によってカバーされており、かつ、電子回路のすべ ての導電路と電子構成素子（１２）がその都度、一方の被覆体の下に位置してい る、請求項１記載の電気機器。2. The top surface (11) and bottom surface (22) of the printed wiring board (10) each have one attachment point. covered by an additional covering (16, 23) and all of the electronic circuitry All conductor paths and electronic components (12) are located in each case under one of the claddings. The electrical device according to claim 1. ３．被覆体が、湿分不透過性のプラスチックから成っている、請求項１又は２記 載の電気機器。3. 3. The coating as claimed in claim 1 or 2, wherein the covering is made of moisture-impermeable plastic. Electrical equipment included. ４．被覆体（１６，２３）がプラスチック成形部分から成り、該プラスチック成 形部分が湿密にプリント配線板（１０）と接合されている、請求項１から３まで のいずれか１項記載の電気機器。4. The covering (16, 23) consists of a plastic molded part; Claims 1 to 3, characterized in that the shaped part is connected in a moisture-tight manner to the printed circuit board (10). The electrical equipment described in any one of the following. ５．被覆体が少なくとも部分的に通気性である、請求項１から４までのいずれか １項記載の電気機器。5. Any of claims 1 to 4, wherein the covering is at least partially breathable. Electrical equipment according to item 1. ６．プリント配線板の上面（１１）と下面（２２）とが通路（４１）によって接 続されている、請求項１から５までのいずれか１項記載の電気機器。6. The upper surface (11) and lower surface (22) of the printed wiring board are connected through the passage (41). 6. Electrical equipment according to any one of claims 1 to 5, which is connected to the electrical equipment. ７．ケーシング（２７，３２）が少なくとも部分的に金属性であり、かつ付加的 な被覆体が、ケーシングとプリント配線板（１０）との間の絶縁体として作用す る、請求項１から６までのいずれか１項記載の電気機器。7. The casing (27, 32) is at least partially metallic and additionally A covering acts as an insulator between the casing and the printed wiring board (10). The electrical equipment according to any one of claims 1 to 6. ８．ケーシング（２７，３２）が少なくとも２つの部分から成っている、請求項 １から７までのいずれか１項記載の電気機器。8. Claim in which the casing (27, 32) consists of at least two parts. The electrical equipment described in any one of items 1 to 7. ９．電子回路が、プリント配線板（１０）上に装着されたコネクタストリップ（ １４）を有し、該コネクタストリップが少なくとも部分的に被覆体（１６，２３ ）によって囲まれている、請求項１から８までのいずれか１項記載の電気機器。9. The electronic circuit is mounted on a connector strip (10) on a printed wiring board (10). 14), and the connector strip is at least partially covered by a covering (16, 23). 9. Electrical appliance according to any one of claims 1 to 8, surrounded by ). １０．付加的な被覆体（１６，２３）が少なくとも部分的に導電層で放置されて いる、請求項１から９までのいずれか１項記載の電気機器。10. an additional covering (16, 23) is left at least partially with a conductive layer; The electrical device according to any one of claims 1 to 9. １１．導電層がプリント配線板（１０）と導電接続されている、請求項１０記載 の電気機器。11. 11. Claim 10, wherein the electrically conductive layer is electrically connected to the printed circuit board (10). electrical equipment. １２．被覆体（１６，２３）が導電性である、請求項１から１１までのいずれか １項記載の電気機器。12. Any of claims 1 to 11, wherein the covering (16, 23) is electrically conductive. Electrical equipment according to item 1.
JP50481493A 1991-09-03 1992-08-14 Electrical equipment, especially switching and control equipment for automobiles Expired - Fee Related JP3253617B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4129238A DE4129238A1 (en) 1991-09-03 1991-09-03 ELECTRICAL DEVICE, ESPECIALLY SWITCHING AND CONTROL UNIT FOR MOTOR VEHICLES
DE4129238.3 1991-09-03
PCT/DE1992/000683 WO1993005635A1 (en) 1991-09-03 1992-08-14 Electrical device, in particular a switching and control device for motor vehicles

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JPH06501820A true JPH06501820A (en) 1994-02-24
JP3253617B2 JP3253617B2 (en) 2002-02-04

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WO1993005635A1 (en) 1993-03-18
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DE4129238A1 (en) 1993-03-04
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